74 lines
1.9 KiB
Elixir
74 lines
1.9 KiB
Elixir
defmodule Scopes.CSys.Environ do
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alias Scopes.CSys
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alias Scopes.Shape
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defmodule State do
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defstruct [neurons: [], cells: %{}, init_seq: []]
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end
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def setup({state, proc}, seq \\ []) do
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scope = {%State{init_seq: seq}, &proc_env/2, [], self()}
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env = CSys.neuron(scope)
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CSys.create(Shape.create([:csys, :zero], data: %{addr: [:csys, :c00, {0, 0}]}),
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{state, proc, [], env})
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env
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end
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def proc_env(msg, scope = {state, _proc, _syns, env}) do
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case Shape.head(msg) do
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{:exec, func} -> func.(state)
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[:csys, :created | _rest] ->
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process_creation(msg, scope)
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send(env, msg)
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_ -> send(env, msg) # forward message to application
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end
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end
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def process_creation(msg, {state, proc, syns, env}) do
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data = Shape.data(msg)
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new = data.new
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addr = data[:addr]
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cells = if addr do
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[dom, cat, item] = addr
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Map.update(state.cells, {dom, cat}, %{item => new},
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fn x -> Map.put(x, item, new) end)
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else
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state.cells
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end
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neurons = [new | state.neurons]
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{step, seq} = List.pop_at(state.init_seq, 0)
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state1 = %State{neurons: neurons, cells: cells, init_seq: seq}
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CSys.update({state1, proc, syns, env})
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if step do
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Process.sleep(1)
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step.(state1)
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end
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end
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# accessing cell registry via state.cells
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def get_cell(state, [dom, cat, item]) do
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get_in(state.cells, [{dom, cat}, item])
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end
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def send_message(state, addr, head, data) do
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cell = get_cell(state, addr)
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CSys.send_message(cell, head, data)
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end
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def connect(state, addr, target, op) do
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send_message(state, addr, ~w(csys connect)a,
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%{target: get_cell(state, target), op: op})
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end
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# delegating tasks to env
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def delegate(env, func) do
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CSys.send_message(env, {:exec, func})
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end
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def forward_value(env, addr, value) do
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delegate(env, &send_message(&1, addr, ~w(csys data)a, %{value: value}))
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end
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end
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